On 19/10/2020 16:30, 苏辉 wrote: > Yeah, you are right, thanks for your explanation<br/><br/>Maybe we should > define a MASK to do this?
Why? I personally find a '& 1' way more understandable than a REQ_OP_IS_WRITE_MASK or sth like that. The former I can just read, for the latter I would need to look up the definition to be able to understand the code.
